MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b547891a3f74093e840f47cecafb75940494dd48f449c7c1bbf229ecb38d85c5. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b547891a3f74093e840f47cecafb75940494dd48f449c7c1bbf229ecb38d85c5
SHA3-384 hash: 53a119766702f2e06d0bdb6357585feb45397bebe74e8b6c775a94d844ae523b9b2492b8da9e9e2d492e5fcb89358398
SHA1 hash: 7871962a924eb2f2e3551cad4b09b8f4b897d783
MD5 hash: 86b4513da8dc979b9e30a4ce8cfe560b
humanhash: butter-spring-sad-west
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:498'176 bytes
First seen:2020-06-02 05:48:43 UTC
Last seen:2020-06-02 07:23:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:27kzaOCaLo1owh67QyXxQCc8utG55Fr3/9fGz4O4cGZERssz:278jLJOs9Ck5zp/
Threatray 10'618 similar samples on MalwareBazaar
TLSH 5DB4E09DB214B2EFC813D472DA691C78EB95687F931B5603902720EEDA5D98BCF140F2
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 00:13:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 31 (70.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvdysgr7oqet5bapi7hmv63vsqcjjxki6re4pqn36iu6zm4nqxcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
233d048b25dd9be7683b3c2cf2d7ebe79b92676d4d787c5cd2f59bd8eab1faf2
AgentTesla
30ba25549a02c9906ffeb63f7a26619131169cb79b193043b821d13c756ef814
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3a632ffacb961b5f6d075395013be5162b65cddec7cf9f2229f12ce84fc7a213
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48ac5944a6a3597ec9b5b67b27aff785c8b2a9c13d10d2ae327c7d5b0995df17
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5a443b824484b636c9436fd13eafb112d3fad00aafe036fb2004f7c3a12852e8
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98bcac74e8201256485d3fee8e636213cda012f99623424281f700aa5af34624
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a767a3b413dfbbbc5fe2c59ecccfcddeb457f4cc7aff68ef1502b69bb75e46de
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cdaf0255ed7e3813377b2cd032e19256fc0575dc8ff284eddd8a24c74fdf983a
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dd1dbd01bac8f1ba75f1279f9684e5f6a706559acaa2db285697c5f5e3258a31
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e1f9e09156ca969a490892994d53114384917b6a7ea25edcd87c06c9249d1f2d
AgentTesla
+ 10'608 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-bf3ylq4y8j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

rar 0b0921d4506d585c7139ab9eb17653e7e7aac869aacbfd3cd5bbba3f21f2c481

AgentTesla

Executable exe b547891a3f74093e840f47cecafb75940494dd48f449c7c1bbf229ecb38d85c5

(this sample)

  
Dropped by
MD5 52c0f052d717329b6004328bbf57adfd
  
Dropped by
SHA256 0b0921d4506d585c7139ab9eb17653e7e7aac869aacbfd3cd5bbba3f21f2c481
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments